CN214271503U

CN214271503U - Boosting device for insufficient displacement of switch point rail

Info

Publication number: CN214271503U
Application number: CN202120019288.2U
Authority: CN
Inventors: 彭艳龙; 李伟
Original assignee: Beijing Jianqing Xinhua Technology Development Co ltd
Current assignee: Beijing Jianqing Xinhua Technology Development Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-24
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to the technical field of turnout auxiliary conversion parts, in particular to a boosting device for insufficient displacement of turnout switch rails; the energy storage device comprises a shell, a movable partition plate is arranged in the shell, a sealing cavity is formed between the upper surface of the movable partition plate and the top of the shell, energy storage media are filled in the sealing cavity, the lower surface of the movable partition plate is connected with a piston rod, the piston rod extends out of the bottom of the shell, a push rod connecting seat is arranged at the end part of the piston rod, the lower surface of the push rod connecting seat is connected with a switch tie through an auxiliary supporting mechanism, a left push rod and a right push rod are hinged to the side surface of the connecting seat, and the outer end parts of the left push rod and the right push rod are respectively connected with a left switch rail and a right switch rail; after the boosting device is implemented on the switch rail and the circuit, insufficient displacement of the switch rail can be effectively reduced, driving safety performance is improved, abrasion and impact of wheels and the switch rail are reduced, and the device is matched with conversion equipment and is suitable for overcoming insufficient displacement within 1-2 m of the outside of traction points of various types of externally-locked switch rails of switch points.

Description

Boosting device for insufficient displacement of switch point rail

Technical Field

The utility model belongs to the technical field of the supplementary converting element technique of switch and specifically relates to a boosting device of not enough displacement of switch point rail.

Background

Over ten years, the number of high-speed turnouts used by railways in China at 250km/h and above exceeds ten thousand, and the number of turnouts is continuously increased along with the construction and operation of high-speed lines. The principle of setting the traction point of the turnout is as follows: smooth switching of the switch rail is guaranteed, and the realization of the gauge size between the switch rail and the stock rail is reliably guaranteed. The elastic material property determines that the elasticity index of the switch blade is gradually reduced along with the increase of the service time. In use, after the turnout is pulled each time, the switch rail except the traction point reduces due to the elasticity thereof to influence the movement of the switch rail, which is called as insufficient displacement, and the phenomenon disappears after the first train passes through, but the turnout appears once when the turnout is pulled each time. If the turnout is used by switching from a side line to a main line, a vehicle running at high speed can force the switch rail to move towards the stock rail, and the contact friction and impact between the wheels and the switch rail are generated, so that the abrasion of the switch rail and the wheels is increased, and the turnout is also a potential safety hazard.

Taking 60kg/m18 switch as an example, when newly laid and put into use, the insufficient displacement of the switch rail is less than 3mm, and after a period of use, the insufficient displacement can reach more than 20mm, so that a boosting device which is suitable for external locking switch conversion equipment and can overcome the insufficient displacement of the switch rail is needed to be designed, the service life of the switch rail is prolonged, and the potential safety hazard of driving is eliminated.

Up to now, there is not the boosting device of the not enough displacement of overcoming switch tongue, and based on this, utility model discloses a boosting device of the not enough displacement of overcoming switch tongue.

Disclosure of Invention

The utility model aims at: overcomes the defects in the prior art, and provides a railway switch blade which overcomes the defect displacement of an external locking device outside a transition traction point.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a boosting device of not enough displacement of switch rail, includes energy memory, energy memory includes the casing, the top and the switch tie of casing are connected, are provided with the floating partition in the casing, form a sealed chamber between floating partition's the upper surface and the casing top, the sealed intracavity is filled there is the energy storage medium, floating partition's lower surface is connected with the piston rod, the piston rod stretches out the casing bottom and is provided with the push rod connecting seat at its tip, the lower surface of push rod connecting seat passes through auxiliary stay mechanism and is connected with the switch tie, the side of connecting seat articulates there are left push rod and right push rod, is equipped with the idle stroke between left push rod and the right push rod, the outer tip of left push rod and right push rod is left switch rail and right switch rail connection respectively.

Furthermore, the energy storage medium is selected from one of a spring, air, liquid and an electromagnet.

Furthermore, a circle of flexible layer is arranged on the side surface of the movable partition plate.

Furthermore, the top of the shell is connected with a transition connecting seat, a first fixed connecting seat is installed on the switch tie, and the transition connecting seat is connected with the first fixed connecting seat through a rotating shaft.

Furthermore, the first fixed connecting seat is connected with the switch tie through a bolt.

Furthermore, the auxiliary supporting mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the push rod connecting seat, the other end of the first connecting rod is connected with the second connecting rod through a pin shaft, and the second connecting rod is connected with the switch tie.

Furthermore, the connecting section of the connecting rod and the switch tie is a flat section, a fixed connecting seat II is connected to the switch tie connected with the connecting rod, a connecting groove matched with the flat section is formed in the fixed connecting seat II, and the connecting rod is fixed in the connecting groove through a pin shaft.

Furthermore, the left switch rail and the right switch rail are respectively provided with a mounting seat, the contact sections of the left push rod and the right push rod with the mounting seats are flat sections, two mounting seats are respectively provided with a connecting groove matched with the flat sections, and the left push rod and the right push rod are respectively fixed in the connecting grooves through pin shafts.

Furthermore, the two mounting seats are respectively connected with the left switch rail and the right switch rail through bolts.

Furthermore, the push rod connecting seat is connected with the piston rod through welding.

Adopt the technical scheme of the utility model's beneficial effect is:

the utility model discloses a boosting device of insufficient displacement of switch tongue, including energy memory and left push rod and right push rod, simple structure, reasonable in design, with switch conversion equipment conversion repulsion from the power of switch tongue, for the mechanism storage energy in the boosting device, release the energy in the storage mechanism after the switch tongue conversion is over half a journey, promote the switch tongue along with conversion equipment to the direction conversion of close contact, reach the purpose of overcoming the insufficient displacement of switch tongue; after the boosting device is implemented on the switch rail and the circuit, insufficient displacement of the switch rail can be effectively reduced, driving safety performance is improved, abrasion and impact of wheels and the switch rail are reduced, and the boosting device is convenient to install and easy to popularize.

The utility model provides a fastener and the connected mode that the boosting device of the not enough displacement of switch tongue adopted can be so that the structure of the flexible volume of boosting device adaptation tongue and vibration environment, prevent that the boosting device from taking place the pine to take off in the use.

The utility model provides a boosting device and conversion equipment cooperation are applicable to and overcome the not enough displacement within the outer locking switch tongue traction point outside 1~2m of various models.

Drawings

Figure 1 is the utility model provides a switch blade is at the schematic diagram of intermediate position after the booster unit of the not enough displacement of switch blade installation.

Fig. 2 is the schematic view of the boosting device for insufficient displacement of the switch blade of the utility model.

In the figure: 101, an energy storage device, 102, a left push rod, 103, a right push rod, 2, a left switch rail, 3, a right switch rail, 4 switch sleepers, 5, 6, 7, a transition connecting seat, 8, a push rod connecting seat and 9 auxiliary supporting mechanisms.

Detailed Description

The invention will be further described with reference to the following detailed description and the accompanying drawings.

Referring to fig. 1, the present invention provides a boosting device for insufficient displacement of switch blade, including an energy storage device 101, a left push rod 102 and a right push rod 103, wherein the energy storage device 101 is connected with the left push rod 102 and the right push rod 103 via a pin, two ends of the energy storage device 101 are respectively fixed on the switch tie 4 by bolts, and the left push rod 102 and the right push rod 103 are respectively connected to the left and right switch blades 2 via pins. After the switch rail and the track are provided with the boosting device, the switch switching equipment is used for converting the power when the switch rail is repelled away from the switch rail, energy is stored for a mechanism in the boosting device, and the energy in the storage mechanism is released after the switch rail is converted by a half of the movement, and the switch rail is pushed to be converted in the close contact direction along with the conversion equipment, so that the aim of overcoming the insufficient displacement of the switch rail is fulfilled.

Referring to fig. 1, a boosting device for insufficient displacement of a switch point rail comprises an energy storage device 101, wherein the energy storage device 101 comprises a shell, the top of the shell is connected with a switch tie 4, a movable partition plate is arranged in the shell, a sealing cavity is formed between the upper surface of the movable partition plate and the top of the shell, the energy storage medium is filled in the sealing cavity, the energy storage medium is selected from one of a spring, air, liquid and an electromagnet, and is specifically selected according to actual use requirements, the spring is selected in the embodiment, the lower surface of the movable partition plate is connected with a piston rod, the piston rod extends out of the bottom of the shell, the end part of the piston rod is provided with a push rod connecting seat 8, the lower surface of the push rod connecting seat 8 is connected with the switch tie 4 through the auxiliary supporting mechanism 9, the side surface of the connecting seat is hinged with a left push rod 102 and a right push rod 103, a free stroke is arranged between the left push rod 102 and the right push rod 103, the outer ends of the left push rod 102 and the right push rod 103 are connected with the left switch rail 2 and the right switch rail 2 respectively.

When the energy storage medium is air or liquid, have higher requirement to the leakproofness of seal chamber, have a round flexible layer on the side of activity baffle in this embodiment, the flexible layer can adopt the rubber layer, is connected through gluing agent between flexible layer and the activity baffle layer.

The working principle is as follows:

as shown in fig. 1: when the two switch rails are in the middle position of the stock rail, the energy storage device 101 and the

push rod

102 and 103 are in the middle position, and the energy storage device 101 does not output thrust. When the point moves to the left (when the point is switched to the direction of the point and the direction of the basically close contact side), as shown in fig. 2, the push rod 103 pushes the boosting device 101 to push the point to move towards the direction of the basic rail through the push rod 102, after the energy storage device 101 outputs thrust, the push rod 103 does not play a role of pushing, and the point is pushed to the close contact state by the point on the left side under the combined action of the thrust of the energy storage device 101 and the thrust of the switching device. When the switch rail is pushed from the left side to move to the right side, the left push rod 102 transmits kinetic energy to the energy storage device 101, the energy storage device is stopped when the left push rod 102 reaches a middle point, and the energy storage device 101 pushes the switch rail to move towards the close contact direction through the right push rod 103 after the switch rail passes the middle point.

The left push rod 102 and the right push rod 103 can move independently in the connecting seat of the energy storage device 101, and have a free stroke to adapt to the motion characteristics of the left switch rail and the right switch rail. The energy storage device 101 is fixed to the crosstie at both ends.

Energy storage and release opportunities: starting to store energy in the process of switching the repulsion switch rail; and the boosting force is released before the close contact side switch rail is locked. The thrust and speed of the boosting device do not influence the normal switching of the switch rail.

The top of casing in this embodiment is connected with transition connecting seat 7, install a fixed connection seat 5 on the switch pillow 4, connect through the rotation axis between transition connecting seat 7 and the fixed connection seat 5, pass through bolted connection between a fixed connection seat 5 and the switch pillow 4, adopt this structural design, can be so that boosting device adapts to the structure of the flexible volume of switch rail and vibration environment, prevent that boosting device from taking place the pine in the use and taking off, and this structural design has improved energy memory 101's installation and has dismantled efficiency.

Auxiliary stay mechanism 9 in this embodiment includes connecting rod one and connecting rod two, the one end and the push rod connecting seat 8 of connecting rod one are connected, the other end passes through the round pin hub connection with connecting rod two, connecting rod two is connected with switch pillow 4, the connecting rod is flat section with the linkage segment of switch pillow 4, be connected with fixed connection seat two 6 on the switch pillow 4 of being connected with the connecting rod, open on the fixed connection seat two 6 have with flat section assorted spread groove, the connecting rod passes through the round pin hub fixation in the spread groove, adopt this structural design, can make thrust unit adapt to the structure of the flexible volume of switch rail and vibration environment, prevent that thrust unit from taking place the pine to take off in the use, and this structural design, the installation dismantlement efficiency of auxiliary stay mechanism 9 has been improved. The auxiliary supporting mechanism 9 can effectively prevent the energy storage device 101 from being suspended to influence the boosting effect.

Install the mount pad on left switch blade 2 and the right switch blade 2 respectively in this embodiment, left push rod 102 and right push rod 103 are the flat section with the contact section of mount pad, open respectively on two mount pads with flat section assorted spread groove, left push rod 102 and right push rod 103 are fixed in the spread groove through the round pin axle respectively, adopt this structural design, can make booster unit adapt to the structure of the flexible volume of switch blade and vibration environment, prevent that booster unit from taking place the pine in the use and taking off, and this structural design, the installation dismantlement efficiency of left push rod 102 and right push rod 103 has been improved. The two mounting seats are respectively connected with the left switch rail 2 and the right switch rail 2 through bolts, and the push rod connecting seat 8 is connected with the piston rod through welding.

The utility model provides a boosting device's concrete installation method does:

step 1, determining the insufficient displacement range of the switch rail;

step 2, calculating and testing, and verifying the thrust required by the energy storage structure 101 to overcome insufficient displacement;

step 3, matching with conversion equipment, verifying energy release time and associated mechanical size;

step 4, designing a mechanical structure and an installation mode without maintenance: the sleeper is provided with a chemical riveting bolt, the mechanical connection adopts the design of no looseness, friction pair self-lubrication, bolt and nut looseness prevention, and no maintenance and less maintenance are needed in the use process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary experimental examples, but that it can be implemented in other specific forms without departing from the spirit and essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment contains only one independent claim, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a boosting device of not enough displacement of switch rail which characterized in that: including energy memory, energy memory includes the casing, the top and the switch tie of casing are connected, are provided with the floating partition in the casing, form a sealed chamber between the upper surface of floating partition and the casing top, the sealed intracavity is filled with the energy storage medium, the lower surface of floating partition is connected with the piston rod, the piston rod stretches out the casing bottom and is provided with the push rod connecting seat at its tip, the lower surface of push rod connecting seat passes through auxiliary stay mechanism and is connected with the switch tie, the side of connecting seat articulates there are left push rod and right push rod, is equipped with the idle stroke between left push rod and the right push rod, the outer tip of left push rod and right push rod is left switch rail and right switch rail connection respectively.

2. The apparatus as claimed in claim 1, wherein the means for assisting the under-displacement of the switch point rail comprises: the energy storage medium is selected from one of a spring, air, liquid and an electromagnet.

3. The apparatus as claimed in claim 1, wherein the means for assisting the under-displacement of the switch point rail comprises: and a circle of flexible layer is arranged on the side surface of the movable partition plate.

4. The apparatus as claimed in claim 1, wherein the means for assisting the under-displacement of the switch point rail comprises: the top of the shell is connected with a transition connecting seat, a first fixed connecting seat is installed on the switch tie, and the transition connecting seat is connected with the first fixed connecting seat through a rotating shaft.

5. The apparatus as claimed in claim 4, wherein the switch point rail is under-displaced, and the apparatus further comprises: the first fixed connecting seat is connected with the switch tie through a bolt.

6. The apparatus as claimed in claim 1, wherein the means for assisting the under-displacement of the switch point rail comprises: the auxiliary supporting mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the push rod connecting seat, the other end of the first connecting rod is connected with the second connecting rod through a pin shaft, and the second connecting rod is connected with the switch tie.

7. The apparatus as claimed in claim 6, wherein: the connecting section of the second connecting rod and the switch tie is a flat section, the switch tie connected with the second connecting rod is connected with a second fixed connecting seat, a connecting groove matched with the flat section is formed in the second fixed connecting seat, and the second connecting rod is fixed in the connecting groove through a pin shaft.

8. The apparatus as claimed in claim 1, wherein the means for assisting the under-displacement of the switch point rail comprises: the left switch rail and the right switch rail are respectively provided with a mounting seat, the contact sections of the left push rod and the mounting seat and the contact sections of the right push rod and the mounting seat are flat sections, two mounting seats are respectively provided with connecting grooves matched with the flat sections, and the left push rod and the right push rod are respectively fixed in the connecting grooves through pin shafts.

9. The apparatus of claim 8, wherein: the two mounting seats are respectively connected with the left switch rail and the right switch rail through bolts.

10. The apparatus as claimed in claim 1, wherein the means for assisting the under-displacement of the switch point rail comprises: the push rod connecting seat is connected with the piston rod through welding.